14.Maximal oxygen uptake value (VO2max, ml/kg/min): Press the 
/ 
buttons to set your maximal oxygen uptake value. Press OK.
VO2max is the maximum capacity for oxygen consumption by your body during maximum exertion. This is also known as aerobic power or maximal oxygen intake/consumption. VO2max is a commonly used determinant of aerobic (cardiovascular) fitness. The most accurate way of determining your individual VO2max is to perform a maximal exercise stress test in a laboratory. Aerobic fitness relates to how well your cardiovascular system works to transport and utilize oxygen in your body. VO2max is used in the estimation of energy expenditure.
Note:
•VO2max is used in Program creation. If you do not know this value, you can determine a comparable value, your OwnIndex, by performing the Polar Fitness Test. For further information, see the section Polar Fitness Test - OwnIndex on page 49.
•If you have accidentally changed the Extra User Settings, you can return to the default settings by pressing and holding the Light button. RESTORE DEFAULT? is displayed. Press the 
/ 
buttons to select YES or NO. Press OK.
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